paxtox



(No Model.) 7

.S. D. 82 D. E. PAXTON 81: A. MAHURIN.

' SHEEP SHEARS.

No. 302,354. Patented July 22, 1 884.

NlTE

SAMUEL D. IAXTON, DAVID E. PAXTON, AND AMOS MAHURIN, OF UKIAH,

CALIFORNIA.

SHEEP-SHEARS.

SPECIFICATION forming part of Letters Patent No. 502,354, dated July 22, 1884. Application filed January 26, 1884. (No model.)

To all whom, it may concern: the use of the form of spring we obtain greater Be it known that we, SAMUEL D. PAXTON, durability and an easier action than in the DAVID E. PAXTON, and Arms MAHURIN, of common form of spring for shears. At the Ukiah, county of Mendocino, and State of same time that its flexibility is such as to per- 55 California, have invented an Improvement in mit its easy compression, its reaction is certain SheepShears; and we hereby declare the foland rapid. The hingeconnectionbetween the lowing to be a full, clear, and exact descripbases of the shank insures firmness and pretion thereof. cision in the action of the blades, preventing Our invention relates to the class of sheepbucking or giving to one side when com- 60 5 1o shears, in which the blades are held apart un ing in contact with a hard substance.

dcr the influence of a spring, against which the In order to permit the blades to open sufpressure of the hand is exerted to close them. ficiently for the purpose of sharpening them,

Our invention consists in a novel hinge-conand not too far, we have a lug or stop, F, pronection between the shanks of the blades, in a jecting from an opposite end of one side of 6 1 peculiar spring under the influence of which each base, and adapted, when the spring forces the blades are opened, in a stop or catch which the bases open, to come in contact with the oplimits their separation when operating, andin posing side of the other base, thus limiting removable blades secured to the shanks,wheretheir movement at a point which allows the by they may readily be detached in case of an blades to become separated far enough for con- 7 g0 accident or fault in either requiring the sub vcnient grinding or other sharpening; but stitution of another. when the shears are in actual use we find it The object of our invention is to provide advantageous to allow the separation of the L shears which, on account of their formation, blades only to an extent to enable them to will be superior to those now in use in duracut, thus saving exertion of the hand. To do 75 bility and ease of operation, closing with less this we have secured to the inner side of one force and reacting quicker, firm in handling, shank, near its butt, a curved strip or spring, and precise and strong in use, and easily re- G, the end of which plays back and forth in paired and kept in order. the curved butt of the other shank when the Referring to the accompanying drawings, shears are in use, and is adapted, upon the sep- 80 Figure l is a perspective View of our shears. aration of the blades, to come in contact'with Fig. 2 is a detail showing the connection bea small stop, H, secured to the inner surface tween shank and blade. Fig. 3 is a detail of the opposing shank, whereby the blades are showing frame 0 and stops F. limited in their separation, as described.

A are the blades, and B the shanks, the rear When the greater limit of the stops F is re- 8 5 ends of which are curved and have secured to quired, the spring-strip G is easily released them three-sided bases 0, one for each shank. from the stop H. The blades A are formed These bases, when fitted together, receive a separable or independent of the shanks, and

k pin or bolt, D, through their ends,which forms are secured thereto by means of screws I,passa hinge between them, upon which the shears ing through an extension or lip,J of the shanks o 0 operate. The two bases thus united inclose a into the blades. These lips lie upon theblades rectangular space which the helical or spiral in proper seats or sockets, j, formed therein, spring E occupies, the hinge-pin D passing whereby they are inclosed and lie flush, makthrough its center. One end of the spring is ing a neat and secure joint. bent upward, and rests upon a corner of one The advantage of the removable blades is in 9 5 of the bases 0, and the other end of the spring the ready adaptability to the substitution of a is similarly disposed of upon a corner of the fresh onewhen,through accident, oneshouldbeother base, diagonally opposite the first corcome unserviceable or contain a serious fault. ner. The tension of the spring through its Having thus described our invention, what ends is to bear down upon the. bases upon we claim as new, and desire to secure by Let- 0 which they rest, thus. separating the shanks ters Patent, is-,

and keeping the blades normally open. By 1. In sheep-shears, the blade-shanks B, having three-sided bases 0, in combination with the pin or bolt 1), passing through the meeting ends of the bases and forming a hinge, and a suitable spring to force the shanks apart, substantially as herein described.

2. In sheep-shears, the blade-shanks l3, having bases 0, and the hinge pin or bolt D, joining them, in combination with the spiral or helical spring E, arranged, as shown, between IO the bases, and the lugs or stops F on the bases,

to limit their movement and the separation of the shanks, substantially as herein described.

3. In sheep shears, the blade-shanks B, having curved butts and hinged together at their 

